★ Must-know
Certain microalgae produce oils that can be converted into biofuel, which burns more cleanly and is considered a promising alternative energy source.
Spirulina farming uses simple equipment and basic tanks filled with pond water; the Spirulina is then filtered, dried, and sold as powder or tablets.
Conserving microalgae supports:
Further detail
Conserving microalgae → food security, environmental protection, and sustainable resources
Cell: The basic, structural, and functional unit of life because every organism is made of cells and every living function begins inside a cell.
A cell performs these basic life activities:
1. Regarding microalgae as sustainable resources, which of the following statements are correct?
2. A small community starts producing Spirulina in basic tanks. Which statements accurately describe this process?
3. Which statements correctly characterize the cell as the foundation of life?
What do certain microalgae produce that can be converted into biofuel?
Oils.
Why is biofuel from microalgae considered a promising alternative energy source?
Because it burns more cleanly.
What equipment is used in Spirulina farming?
Simple equipment and basic tanks filled with pond water.
What happens to Spirulina after farming before sale?
It is filtered, dried, and sold as powder or tablets.
Why has Spirulina farming become a useful livelihood option?
Because it grows quickly and requires simple equipment.
What does conserving microalgae help ensure?
Food security, environmental protection, and sustainable resource availability.
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